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Date:      Mon, 28 Mar 2016 11:48:41 -0700
From:      Oleksandr Tymoshenko <gonzo@bluezbox.com>
To:        Mark R V Murray <markm@FreeBSD.org>
Cc:        freebsd-arm <freebsd-arm@freebsd.org>
Subject:   Re: RPi 2 with 7-inch touchscreen.
Message-ID:  <CAF82B04-6503-4819-B301-10EC5F32F7D4@bluezbox.com>
In-Reply-To: <8243E254-B30D-4C42-818C-3584D79ABC6B@FreeBSD.org>
References:  <C03C0CD0-F135-4FF1-9F07-D1C73F46E5CF@FreeBSD.org> <DAD83ACE-69B5-4876-A0BD-338FF71C090C@bluezbox.com> <8243E254-B30D-4C42-818C-3584D79ABC6B@FreeBSD.org>

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> On Mar 28, 2016, at 11:40 AM, Mark R V Murray <markm@FreeBSD.org> =
wrote:
>=20
>=20
>> On 28 Mar 2016, at 18:37, Oleksandr Tymoshenko <gonzo@bluezbox.com> =
wrote:
>> Hi Mark,
>>=20
>> I have it working. Here is my config.txt:
>>=20
>> disable_commandline_tags=3D0
>> device_tree_address=3D0x100
>> device_tree=3Drpi2.dtb
>> kernel=3Du-boot.bin
>> gpu_mem=3D128
>> lcd_rotate=3D2
>> start_x=3D1
>> hdmi_force_hotplug=3D1
>> display_default_lcd=3D1
>>=20
>> I guess relevant lines are these:
>=20
> OK ...
>=20
>>=20
>> lcd_rotate=3D2
>> hdmi_force_hotplug=3D1
>> display_default_lcd=3D1
>=20
>=20
> Nope. :-( It still doesn't work. The screen stays blank.
>=20
> [grubscrew] ~ 07:37 p.m. # tvservice -s
> state 0x120016 [DVI DMT (4) RGB full 4:3], 640x480 @ 60.00Hz, =
progressive


Try copying firmware files from raspbian image as this comment suggests:
http://kernelnomicon.org/?p=3D540#comment-40186

Port may have older firmware, can't check right now.

>>=20
>> I also had touchscreen driver prototype working for it but can't find =
it at the moment :(
>> It's very simple busy read from memory window. Requires FDT =
modification and
>> interface to userland which FreeBSD does not have at the moment.
>>=20
>=20
> That's next on my list :-)

I'll try to dig up the driver later today. If I haven't deleted it =
during last "cleanup" that is :-/=20=



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